affecting the <tt>/login</tt> page only. If you're using this setting,
you should migrate to the new setting as soon as possible, because the
old setting allows multiple ways of defeating it.

<b id="rloop">WARNING:</b> Enabling HTTPS redirects at the Fossil repo
level while running Fossil behind an HTTPS proxy can result in an
infinite redirect loop.  It happens when the proxy mechanism presents
"`http`" URIs to Fossil, so Fossil issues a redirect, so the browser
fetches the page again, causing Fossil to see an "`http`" URI again, so
"<tt>http</tt>" URIs to Fossil, so Fossil issues a redirect, so the browser
fetches the page again, causing Fossil to see an "<tt>http</tt>" URI again, so
it issues a redirect...'round and 'round it goes until the web browser
detects it's in a redirect loop and gives up. This problem prevents you
from getting back into the Admin UI to fix it, but there are several
ways to fix it:

  #  <p><b>Reset via CLI.</b> You can turn the setting back off from the
     CLI with the command "<tt>fossil -R /path/to/repo.fossil set